Thailand’s Sky Train adds five stations on Sukhumvit Line August 25, 2011 | Asia Pacific News Bangkok city’s mass transit system, the Sky Train, has added five new stations on its Sukhumvit Line. These are Bang Chak (E10), Punnavithi (E11), Udomsuk (E12), Bang Na (E13) and Bearing (E14).... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password